EP2620867A2 - Appareil d'affichage, appareil de mise à niveau, système d'affichage l'incluant et procédé de commande correspondant - Google Patents

Appareil d'affichage, appareil de mise à niveau, système d'affichage l'incluant et procédé de commande correspondant Download PDF

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Publication number
EP2620867A2
EP2620867A2 EP13153115.4A EP13153115A EP2620867A2 EP 2620867 A2 EP2620867 A2 EP 2620867A2 EP 13153115 A EP13153115 A EP 13153115A EP 2620867 A2 EP2620867 A2 EP 2620867A2
Authority
EP
European Patent Office
Prior art keywords
display
controller
information
display apparatus
storage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP13153115.4A
Other languages
German (de)
English (en)
Inventor
Ki-oci Shin
Tae-Young Lee
Soon-Jae Cho
Sei-hee Chon
Cheul-Hee Hahm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP2620867A2 publication Critical patent/EP2620867A2/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/363—Graphics controllers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/06—Use of more than one graphics processor to process data before displaying to one or more screens
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/20—Details of the management of multiple sources of image data

Definitions

  • Apparatuses and methods consistent with exemplary embodiments relate to a display apparatus, an upgrade apparatus, a display system including the same, and a control method thereof, and more particularly to a display apparatus which is capable of saving preparation time for communication between an upgrade apparatus and the display apparatus, an upgrade apparatus, a display system including the same, and a control method thereof.
  • a display apparatus such as a television (TV) or a monitor, is a device which receives image signals/image data from various external image sources and presents the signals/data on a display unit.
  • a TV processes broadcast signals transmitted from external sources according to various types of image processing, e.g., decoding and scaling, to display images of a user-desired broadcast channel on a display panel.
  • the display apparatus includes an embedded image processing board configured as a circuit including various kinds of chip sets, a memory, or the like to conduct image processing.
  • a display apparatus including: an image signal input ; a first image processor which processes an image signal input to the image signal input and outputs a first output signal; an upgrade apparatus connector which is configured to connect to an upgrade apparatus including a second image processor; a display which displays at least one of a first image corresponding to the first output signal and a second image corresponding to a second output signal output by the second image processor; a first storage which stores first apparatus information about the upgrade apparatus therein; and a first controller which sets the upgrade apparatus to a communication state based on the first apparatus information stored in the first storage if the upgrade apparatus is connected to the upgrade apparatus connector.
  • the first controller may store second apparatus information about a new upgrade apparatus in the first storage if the new upgrade apparatus is connected to the upgrade apparatus connector.
  • the first controller may set the new upgrade apparatus to a communication state based on the second apparatus information stored in the first storage if the new upgrade apparatus is connected to the upgrade apparatus connector.
  • the first apparatus information may include at least one of information about a data transfer type of the upgrade apparatus, information about a version of the upgrade apparatus, and information about maximum packet size.
  • the upgrade apparatus connection connector may include a USB port
  • the first controller may include a USB host controller which controls communications of the USB port.
  • an upgrade apparatus including: a body connector which is configured to connect to a display apparatus including a first image processor and a first controller; a second image processor which receives and processes a signal output from the display apparatus through the body connector; a second storage which stores third apparatus information about the display apparatus therein; and a second controller which sets the display apparatus to a communication state based on the third apparatus information stored in the second storage if the display apparatus is connected to the body connection.
  • the second controller may store fourth apparatus information about a new display apparatus in the second storage if the new display apparatus is connected to the body connector.
  • the second controller may set the new display apparatus to a communication state based on the fourth apparatus information stored in the second storage if the new display apparatus is connected to the body connector.
  • the third apparatus information may include at least one of information about a data transfer type of the display apparatus, information about a version of the display apparatus, and information about maximum packet size.
  • the body connector may include a USB port
  • the second controller may include a USB host controller which controls communications of the USB port.
  • a display system including: a display apparatus including a first image processor which processes a first input image signal and outputs a first output signal, an upgrade apparatus connector, a display which displays a first image corresponding to the first output signal, a first storage , and a first controller; and an upgrade apparatus including a body connector which is connected to the upgrade apparatus connection connector, a second image processor which receives and processes a second input image signal, a second storage , and a second controller, and at least one of the first storage and the second storage stores apparatus information about at least one of the connected display apparatus and the upgrade apparatus, and at least one of the first controller and the second controller set the at least one of the connected display apparatus and the upgrade apparatus to a communication state based on the apparatus information stored in at least one of the first storage and the second storage.
  • At least one of the upgrade apparatus connector and the body connector may include a USB port, and at least one of the first controller and the second controller may include a USB host controller which controls communications of the USB port.
  • a control method of a display system including a display apparatus and an upgrade apparatus connected to the display apparatus, the method including: detecting that the upgrade apparatus and the display apparatus are connected to each other; reading out apparatus information about at least one of the upgrade apparatus and the display apparatus from a first storage of the display apparatus or a second storage of the upgrade apparatus; and setting the at least one of the upgrade apparatus and the display apparatus to a communication state based on the apparatus information.
  • the control method may further include storing changed apparatus information in the first storage or the second storage if the apparatus information about the at least one of the upgrade apparatus and the display apparatus is changed.
  • FIG. 1 is a perspective view showing a rear side of a display system according to an exemplary embodiment
  • FIG. 2 is a block diagram of the display system of FIG. 1 according to an exemplary embodiment
  • FIG. 3 is a flowchart illustrating a control method of the display system according to an aspect of an exemplary embodiment
  • a display system 1 includes a display apparatus 100 processing an image signal provided from an external image source (not shown) according to a preset image processing procedure and displaying an image based on the image signal.
  • the display system 1 also includes an upgrade apparatus 200 upgrading hardware and/or software of the display apparatus 100.
  • the display apparatus 100 is configured as a TV which displays broadcast images based on broadcast signals/broadcast information/broadcast data received from a transmitter of a broadcasting station.
  • a TV is merely an illustrative example, and the display apparatus 100 may be one of various devices which are capable of processing images or processing and displaying images.
  • the display apparatus 100 may be s an image processing apparatus which performs an image processing function only without a display unit, such as a set-top box.
  • any image may be displayed by the display apparatus 100, without being limited to broadcast images.
  • the display apparatus 100 may display images, such as videos based on signals/data received from various types of image sources (not shown), still images, applications, on-screen display (OSD), and graphic user interface (GUI) for controlling various operations.
  • images such as videos based on signals/data received from various types of image sources (not shown), still images, applications, on-screen display (OSD), and graphic user interface (GUI) for controlling various operations.
  • the upgrade apparatus 200 is connected to and communicates with the display apparatus 100.
  • the upgrade apparatus 200 upgrades existing hardware and/or software of the connected display apparatus 100 and enables an image signal to be processed by the upgraded hardware and/or software of the display apparatus 100, thereby displaying an image with improved quality and/or providing more functions to the user.
  • the display apparatus 100 includes a first image signal input unit 110 receiving an image signal, a first image processor 130 processing the image signal input by the first image signal input unit and outputting a first output signal, an upgrade apparatus connection unit 160 to which the upgrade apparatus 200 including a second image processor 220 is connected, a display unit 170 displaying at least one of a first image corresponding to the first output signal and a second image corresponding to a second output signal processed by the second image processor 220 of the upgrade apparatus 200, a first storage unit 150 storing first apparatus information about the upgrade apparatus 200, a first controller 140 setting the upgrade apparatus 200 to a communication state, and a casing 102 accommodating the display unit 170.
  • the first image signal input unit 110 transmits an image signal and/or a broadcast signal received from at least one image source to the first image processor 130.
  • the first image signal input unit 110 may include a tuner to receive the broadcast signal.
  • An image signal received through the first image signal input unit 110 may have various standards corresponding to an image source and a display mode of the display unit 170.
  • the first image signal input unit 110 may receive signals/data in accordance with the high definition multimedia interface (HDMI), USB, and component standards and include a plurality of connection terminals (not shown) corresponding to the respective standards.
  • Various external devices including an image source are connected to the connection terminals, and thus an image signal may be received through the first image signal input unit 110.
  • the first image signal input unit 110 transmits an input image signal to the upgrade apparatus connection unit 160, not to the first image processor 130, according to control by the first controller 140. That is, the first image signal input unit 110 may include a plurality of output ports receiving and outputting the input signal to transmit the input signal selectively to the upgrade apparatus 200 or the first image processor 130 according to the control of the controller 140. The first image signal input unit 110 may provide the input signal only to the first image processor 130 as well.
  • the first image processor 130 may include a demultiplexer (not shown) which performs demultiplexing, i.e., separating a broadcast signal received from the first image signal input unit 110 into an image signal, an audio signal, and optional data, a decoder (not shown) decoding the separate image signal in a predetermined image format, and a scaler (not shown) scaling the decoded image signal in a predetermined resolution and displaying an image based on the image signal on the display unit 170.
  • a demultiplexer not shown
  • decoder decoding the separate image signal in a predetermined image format
  • a scaler not shown scaling the decoded image signal in a predetermined resolution and displaying an image based on the image signal on the display unit 170.
  • the first image processor 130 performs various preset image processing procedures on an image signal received from the first image signal input unit 110.
  • the first image processor 130 outputs a processed image signal to the display panel 170, so that an image based on the image signal is displayed on the display panel 170.
  • the first image processor 130 may perform any type of image processing, without being limited to, for example, demultiplexing to separate a signal into characteristic signals, decoding corresponding to an image format of an image signal, de-interlacing to convert an interlaced image signal into a progressive form, scaling to adjust an image signal to a preset resolution, noise reduction to improve image quality, detail enhancement, frame refresh rate conversion, or the like.
  • the first image processor 130 may be provided as an image processing board (not shown) in which a circuit system may conduct such processes, and may include components such as various chip sets (not shown), a memory (not shown), electronic components (not shown), and wiring (not shown), which are mounted on a printed circuit board (PCB, not shown).
  • a circuit system may conduct such processes, and may include components such as various chip sets (not shown), a memory (not shown), electronic components (not shown), and wiring (not shown), which are mounted on a printed circuit board (PCB, not shown).
  • PCB printed circuit board
  • the upgrade apparatus connection unit 160 is provided to be connected to a body connection unit 210 of the upgrade apparatus 200 so that the display apparatus 100 and the upgrade apparatus 200 communicate using at least one of data, signals, information, and power with each other.
  • the upgrade apparatus connection unit 160 may have a predetermined number of ground terminals to stably transmit and receive the data/signals/information/power.
  • the upgrade apparatus connection unit 160 may be disposed in the casing 102 to be exposed to the outside.
  • the upgrade apparatus connection unit 160 may be formed on a lateral side of the casing 102. Defining a side on which a screen of the display unit 170 is disposed as a front side and the opposite side as a rear side, the upgrade apparatus connection unit 160 may be formed on the rear side to be exposed to the outside if necessary. As needed, a cap (not shown) may be installed in the upgrade apparatus connection unit 160 to cover the upgrade apparatus connection unit 160, exposed to the outside when the upgrade apparatus 200 is not inserted into the upgrade apparatus connection unit 160. Accordingly, foreign materials, such as dust, are prevented from flowing into the casing 102 before the upgrade apparatus 200 is mounted.
  • the upgrade apparatus connection unit 160 may transmit at least one of the input signal input through the first image signal input unit 110 and the first output signal which is output by the first image processor 130 to the body connection unit 210.
  • the first output signal may include at least one of a first image signal and a first audio signal.
  • the upgrade apparatus connection unit 160 may be provided as a connection port in accordance with general standards, such as high definition multimedia interface (HDMI), universal serial bus (USB), component, digital visual interface (DVI), and IEEE 1394 ports. As necessary, the upgrade apparatus connection unit 160 may be provided to communicate data/signals/information/power according to a low voltage differential signaling (LVDS) standard.
  • HDMI high definition multimedia interface
  • USB universal serial bus
  • DVI digital visual interface
  • IEEE 1394 IEEE 1394 ports.
  • LVDS low voltage differential signaling
  • the upgrade apparatus connection unit 160 may be provided in various types and forms, without being limited to the foregoing examples, as long as it is configured to enable the display apparatus 100 and the upgrade apparatus 200 to communicate at least one of data, signals, information, and power with each other.
  • the upgrade apparatus 200 may include the body connection unit 210 connected to the upgrade apparatus connection unit 160 of the display apparatus 100 to enable data communication, the second image processor 220 processing an image signal transmitted from the display apparatus 100 through the body connection unit 210, and a second controller 230 controlling the second image processor 220.
  • the upgrade apparatus connection unit 160 may enable communication of a control instruction between the first controller 140 and the second controller 230 of the upgrade apparatus 200. That is, the upgrade apparatus connection unit 160 may have a separate connection port for transmitting and receiving the control instruction.
  • the upgrade apparatus connection unit 160 may be provided as a USB port. Accordingly, the upgrade apparatus 200 may be connected to the USB port.
  • the first controller 140 may include a USB host controller to set the upgrade apparatus 200 connected to the USB port to a communication state.
  • the display apparatus 100 may further include first and second connection units 191 and 193 respectively connected to first and second external devices P1 and P2 via a wire-based network or wirelessly to communicate with the devices.
  • the first and second connection units 191 and 193 may be provided as connection ports in accordance with general standards, such as HDMI, USB, component, DVI, and IEEE 1394 ports. Further, the first and second connection units 191 and 193 may be connected to the first and second external devices P1 and P2 through at least one wireless network of wireless LAN, Wi-Fi, Wibro, and long term evolution (LTE).
  • general standards such as HDMI, USB, component, DVI, and IEEE 1394 ports.
  • the first and second connection units 191 and 193 may be connected to the first and second external devices P1 and P2 through at least one wireless network of wireless LAN, Wi-Fi, Wibro, and long term evolution (LTE).
  • LTE long term evolution
  • At least one of the first and second external devices P1 and P2 may include at least one of a storage device, such as a USB storage device, a hard disk, a flash memory, a solid state drive, a mobile device, a PDA, a smart phone, a smart pad and a notebook.
  • a storage device such as a USB storage device, a hard disk, a flash memory, a solid state drive, a mobile device, a PDA, a smart phone, a smart pad and a notebook.
  • FIG. 2 shows two connection units, the first and second connection units 191 and 193, the number of connection units may vary as necessary.
  • the first controller 140 may control the first image processor 130. Further, the first controller 140 may control the entire display apparatus 100 as well as the first image processor 130.
  • the first controller 140 may detect whether the upgrade apparatus 200 is connected to the upgrade apparatus connection unit 160.
  • the first controller 140 sets the upgrade apparatus 200 to a communication state based on the first apparatus information stored in the first storage unit 150.
  • the first storage unit 150 may store unlimited data according to control by the first controller 140 in addition to the first apparatus information.
  • the first storage unit 150 may be configured as a non-volatile memory, such as a flash memory and a hard disk drive.
  • the first storage unit 150 is accessible by the first controller 140, and the data stored in the first storage unit 150 may be read/recorded/revised/deleted/updated by the first controller 140.
  • the first storage unit 150 may store, for example, an operating system to run the display apparatus 100 and various applications, image data, and optional data which are executable in the operating system.
  • the first storage unit 150 stores the first apparatus information about the upgrade apparatus 200, i.e., a USB descriptor about the upgrade apparatus 200.
  • the USB descriptor may include at least one of a device descriptor, a configuration descriptor, an interface descriptor, and an endpoint descriptor.
  • the device descriptor may include general information about the upgrade apparatus 200, e.g., at least one of information about a supportable USB version, distinguished information about the upgrade apparatus 200 (manufacturer information and product identification information), information about a data transfer type, and information about maximum transferable packet size.
  • USB device when a USB host detects that a USB device is connected, the USB device first goes through a series of processes, called bus enumeration, and then is allowed to conduct data communication with the USB host. First, the USB device is supplied with USB power or autonomous power, which is generally referred to as a powered state.
  • USB device is reset and allocated a default address, which is a default state.
  • the USB device is allocated a distinguished address and allowed to keep the address, which is an address state.
  • a set value of the USB device is set before using a function of the USB device, which is a configuration state.
  • the USB host requests a device descriptor from the USB device.
  • the USB device transmits the device descriptor stored therein to the USB host according to the request of the USB host.
  • the USB host receives the device descriptor transmitted from the USB device and sets the USB device to a communication state.
  • the USB device goes through four processes, the power state, the default state, the address state, and the configuration state.
  • the upgrade apparatus connection unit 160 conducting the entire processes of bus enumeration in order may cause delay of communication time.
  • the first storage unit 150 of the display apparatus 100 stores the first apparatus information about the upgrade apparatus 200 to communicate with in advance, it is possible to immediately set the upgrade apparatus 200 to a communication state using the first apparatus information. More specifically, in USB communication, for example, a device descriptor that is the first apparatus information is stored in advance in the first storage unit 150, thereby omitting the default state and the address state and immediately carrying out the configuration state in the procedure of bus enumeration. Therefore, when the upgrade apparatus 200 is supplied with power and reset, then it immediately enters the configuration state. Accordingly, preparation time for data communication between the upgrade apparatus 200 and the display apparatus 200, i.e., waiting time for communication may be saved.
  • the upgrade apparatus 200 may be detected whether the upgrade apparatus 200 is connected to the upgrade apparatus connection unit 160 while the display apparatus 100 is started, i.e., while the display apparatus 100 is booted up.
  • the display apparatus 100 preparation time for communication between the upgrade apparatus 200 and the display apparatus 100 is reduced, thereby minimizing the boot time experienced by a user. Accordingly, the user can quickly use the display apparatus 100.
  • the upgrade apparatus 200 and the display apparatus 100 are connected by a different communication mode, not by a USB mode, it is commonly employed storing information about a counterpart device, for example, the upgrade apparatus 200, necessary for a communication setting process in advance in a host device, for example, the display apparatus 100, to save communication preparation time.
  • the display apparatus 100 may further include a common memory (not shown) storing image signals input through the first image signal input unit 110 and/or broadcast signals or internet data received through a network connection module (not shown).
  • the common memory may store data processed by the first image processor 130 and the first controller 140.
  • the first image signal input unit 110, the first image processor 130, the first controller 140, and the upgrade apparatus connection unit 160 may be provided on a single image processing board 101.
  • a configuration is merely an illustrative example, and these components may be disposed on a plurality of PCBs connected to communicate with each other.
  • the image processing board 101 may be accommodated in the casing 102.
  • the first controller 140 controls the first image processor 130 to process the image signal input through the first image signal input unit 110.
  • the first controller 140 may control the first image signal input unit 110 and the first image processor 130 to transmit at least one of the input image signal and the first output signal to the upgrade apparatus 200 through the upgrade apparatus connection unit 160 so that the signal is processed by the second image processor 220.
  • the first controller 140 may control the upgrade apparatus connection unit 160 to transmit the second output signal to the display unit 170, which will be described.
  • the display unit 170 displays a first image corresponding to the first output signal output by the first image processor 130. If the upgrade apparatus 200 is connected to the upgrade apparatus connection unit 160, the display unit 170 displays a second image corresponding to the second output signal output by the second image processor 220.
  • the display unit 170 may be configured in various display types using liquid crystals, plasma, light emitting diodes, organic light emitting diodes, a surface conduction electron emitter, a carbon nano-tube, nano-crystals, or the like, without being limited thereto.
  • the display unit 170 may further include an additional element depending on a display mode thereof.
  • the display unit 170 may include a liquid crystal display (LCD) panel, a backlight unit (not shown) providing light to the panel, and a panel drive board (not shown) driving the panel.
  • LCD liquid crystal display
  • backlight unit not shown
  • panel drive board not shown
  • the display apparatus 100 may further include a conversion-amplification unit 182 converting an audio signal separated by the first image processor 130 into a preset format and amplifying the signal and an audio output unit 185 outputting the amplified audio signal.
  • the audio output unit 185 may include a speaker.
  • the display apparatus 100 may further include a user input unit 120 outputting a preset command according to manipulation by a user and the first storage unit 150 storing unlimited data/information.
  • the user input unit 120 transmits various preset control commands or unlimited information to the first controller 140 by user's manipulation and input.
  • the user input unit 120 may be provided as a menu key and an input panel installed on an outside of the display apparatus 100 or as a remote controller separate from the display apparatus 100.
  • the user input unit 120 may be configured to communicate with the display apparatus 100 using a short-range wireless communication method, such as Bluetooth or infrared communication.
  • the user input unit 120 may include a wireless keyboard, a wireless mouse, a remote controller, or the like.
  • the user input unit 120 may be configured as a single body with the display unit 170. That is, if the display unit 170 is a touch screen, a user may transmit a preset command to the first controller 140 through an input menu (not shown) displayed on the display unit 170.
  • the first controller 140 performs control operations over various components of the display apparatus 100. For example, the first controller 140 conducts image processing carried out by the first image processor 130, transmission/reception operations of signals/information/data through the first image signal input unit 110, and a control operation corresponding to a command from the user input unit 120, thereby controlling the overall operations of the display apparatus 100.
  • the first controller 140 may store second apparatus information about the new upgrade apparatus in the first storage unit 150. When it is determined that the new upgrade apparatus is connected when the apparatus information transmitted from the new upgrade apparatus is different from the first apparatus information stored in the first storage unit 150.
  • the first controller 140 sets the new upgrade apparatus to a communication state based on the second apparatus information stored in the first storage unit 150. Accordingly, preparation time for communication between the new upgrade apparatus and the display apparatus 100 may be saved.
  • the upgrade apparatus 200 may be connected to the display apparatus 100 via a wire-based network or wirelessly.
  • the upgrade apparatus 200 and the display apparatus 100 may be connected to each other via a wire-based network to transmit and receive data/information/signals/power.
  • the upgrade apparatus 200 includes the body connection unit 210 to transmit/receive power and data to/from the display apparatus 100.
  • the display apparatus 100 includes the upgrade apparatus connection unit 160 to transmit/receive power and data to/from the upgrade apparatus 200. That is, the upgrade apparatus 200 may receive power needed for driving from the display apparatus 100 through the body connection unit 210.
  • the upgrade apparatus connection unit 160 is a USB port
  • the upgrade apparatus 200 may be provided with USB power.
  • the upgrade apparatus 200 may further include a power conversion unit (not shown) to convert power input from the display apparatus 100 into power needed for driving.
  • a power conversion unit (not shown) to convert power input from the display apparatus 100 into power needed for driving.
  • the power conversion unit may be omitted.
  • the upgrade apparatus 200 may be supplied with driving power needed to operate not directly from the display apparatus 100 through the body connection unit 210 but from a separate external power source (commercial power source or battery).
  • a separate external power source commercial power source or battery.
  • the upgrade apparatus 200 may be connected to the display apparatus 100 wirelessly if necessary.
  • the upgrade apparatus 200 may be supplied with operation power from a separate external power source or battery, not from the display apparatus 100.
  • the display apparatus 100 autonomously processes an image signal received from the outside according to a preset image processing procedure and displays an image based on the signal.
  • the upgrade apparatus 200 is connected to the display apparatus 100, hardware/software of the display system 1 performing the above image processing procedure is upgraded. Accordingly, new functions or upgraded functions may be provided to a user due to the upgrade apparatus 200. For example, as the upgrade apparatus 200 is connected, a higher quality of images may be realized than the quality of image that is realized when using the display apparatus 100 alone.
  • the upgrade apparatus 200 includes the body connection unit 210 connected to the display apparatus 100, the second image processor 220 receiving and processing a signal output from the display apparatus 100 through the body connection unit 210, and the second controller 230 controlling the second image processor 220.
  • the second controller 230 may be omitted as necessary.
  • the second image processor 220 processes any one of the input signal of the first image signal input unit 110 output from the display apparatus 100 and a first output signal output from the first image processor 130 and outputs the signal as a second output signal.
  • the second output signal output by the second image processor 220 is transmitted to the display unit 170 through the body connection unit 210 and the upgrade apparatus connection unit 160. Accordingly, a second image corresponding to the second output signal may be displayed on the display unit 170. Since the second image processor 220 additionally performs an updated function from that of the first image processor 130 or a function which cannot be conducted by the first image processor 130, an upgraded image which is not realized by the display apparatus 100 or is hard for the display apparatus 100 to realize is displayed on the display unit 170.
  • a full HD image is not provided by the first image processor 130 but may be provided by the second image processor 220.
  • a 3D image is not realized by the first image processor 130 but may be presented through the second image processor 220.
  • Such added and expanded functions are only illustrative examples and may be changed variously.
  • the second image processor 220 may reprocess the audio signal as well as the image signal, and accordingly the reprocessed and upgraded audio signal may be provided to the display apparatus 100.
  • the upgrade apparatus 200 may include a second image signal input unit 250 to receive an image signal from an external image source separately from the display apparatus 100 if needed.
  • the first controller 140 of the display apparatus 100 may stop operations of the first image signal input unit 110 and the first image processor 130.
  • an input signal (broadcast signal or image signal) input through the second image signal input unit 250 is transmitted to the second image processor 220 and processed, and a second output signal output by the second image processor 220 may be transmitted to the display unit 170 through the upgrade apparatus connection unit 160 and the first image processor 130 of the display apparatus 100. Accordingly, a second image corresponding to the second output signal may be displayed on the display unit 170.
  • the first controller 140 may control the first image processor 130 to process a signal input through the first image signal input unit 110 and output a first output signal to the display unit 170.
  • a first image corresponding to the first output signal may be displayed as a main screen or sub-screen on the display unit 170.
  • the upgrade apparatus 200 processes the signal in the second image processor 220 and transmits a second output signal to the display unit 170. Accordingly, a second image corresponding to the second output signal may be displayed on the display unit 170 as a sub-screen or main screen corresponding to the first image.
  • the first input signal (broadcast signal and/or image signal) input through the first image signal input unit 110 of the display apparatus 100 and the second input signal input through the second image signal input unit 250 of the upgrade apparatus 200 are processed into the first image and the second image, respectively, and the images may be displayed in picture in picture (PIP).
  • PIP picture in picture
  • the first controller 140 of the display apparatus 100 may control the first image processor 130 and the first image signal input unit 110 in cooperation with the second controller 230 of the upgrade apparatus 200.
  • the first controller 140 may be responsible for controlling part of the demultiplexer (not shown), the decoder (not shown) and the scaler (not shown), and the second controller 230 may be responsible for controlling the remaining thereof.
  • the first controller 140 may have priority to control the first image signal input unit 110 and the first image processor 130, and the second controller 230 may assist the first controller 140.
  • the second controller 230 may have priority to control the first image signal input unit 110 and the first image processor 130, and the first controller 140 may assist the second controller 230.
  • the first controller 140 of the display apparatus 100 may entirely transfer the control function of the first controller 140 to the second controller 230.
  • the first controller 140 may serve to just deliver a control instruction between components previously controlled by the first controller 140 and the second controller 230 but not give the control instruction.
  • an exclusive control communication line may be separately provided to transmit and receive a control instruction between the second controller 230 and the component previously controlled by the first controller 140.
  • the upgrade apparatus 200 may further include a second storage unit 240.
  • the second storage unit 240 may store as much data as needed.
  • the second storage unit 240 may be configured as a non-volatile memory, such as a flash memory and a hard disk drive.
  • the second storage unit 240 is accessed by the first controller 140 or the second controller 230, and data stored in the storage unit 240 is read/recorded/revised/deleted/updated by the controllers 140 or 230.
  • the first storage unit 150 may also be accessed by not only the first controller 140 but the second controller 230 depending on a configuration thereof.
  • the second storage unit 240 may store an updated operating system more advanced than the operating system stored in the first storage unit 150.
  • the first controller 140 or the second controller 230 may update the operating system stored in the first storage unit 150 to the updated operating system and drive the updated operating system.
  • the operating system of the second storage unit 240 may be driven instead of the operating system stored in the first storage unit 150.
  • the first apparatus information (or second apparatus information) about the upgrade apparatus 200 is stored in the display apparatus 100 and used to save preparation time for communication. That is, the display apparatus 100 serves as a USB host, and the upgrade apparatus 200 serves as a USB device.
  • the display apparatus 100 may serve as a USB device and the upgrade apparatus 200 may serve as a USB host if necessary, which is described as follows.
  • Third apparatus information about the display apparatus 100 may be stored in the second storage unit 240 of the upgrade apparatus 200.
  • the second controller 230 may set the display apparatus 100 to a communication state based on the third apparatus information stored in the second storage unit 240. Accordingly, preparation time for communication between the display apparatus 100 and the upgrade apparatus 200 may be saved.
  • the second controller 230 may include a USB host controller (not shown) controlling the USB port to communicate.
  • the third apparatus information may include a USB descriptor about the display apparatus 100.
  • the USB descriptor may include at least one of a device descriptor, a configuration descriptor, an interface descriptor, and an endpoint descriptor.
  • the device descriptor may include general information about the display apparatus 100, e.g., at least one of information about a supportable USB version, distinguishing information about the display apparatus 100 (manufacturer information and product identification information), information about a data transfer type, and information about maximum transferable packet size.
  • the second controller 230 stores fourth apparatus information about the new display apparatus in the second storage unit 240.
  • connection of the new display apparatus it is determined that the new display apparatus is connected when the fourth apparatus information requested and transmitted from the new display apparatus is different from the third apparatus information stored in the second storage unit 240.
  • the second controller 230 sets the new display apparatus to a communication state based on the fourth apparatus information stored in the second storage unit 240. Accordingly, preparation time for communication between the new display apparatus 100 and the upgrade apparatus 200 may be saved.
  • the first storage unit 150 of the display apparatus 100 or the second storage unit 240 of the upgrade apparatus 200 reads out apparatus information about the counterpart apparatus (S20).
  • One apparatus of the upgrade apparatus or the display apparatus sets the other counterpart apparatus to a communication state based on the read apparatus information (S30). Accordingly, preparation time for communication between the display apparatus 100 and the upgrade apparatus 200 may be saved.
  • the changed apparatus information is stored in the first storage unit 150 or the second storage unit 240 (S50).
  • the changed apparatus information is stored in the second storage unit 240 of the upgrade apparatus 200.
  • the changed apparatus information is stored in the first storage unit 150 of the display apparatus 100.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Graphics (AREA)
  • Controls And Circuits For Display Device (AREA)
EP13153115.4A 2012-01-30 2013-01-29 Appareil d'affichage, appareil de mise à niveau, système d'affichage l'incluant et procédé de commande correspondant Withdrawn EP2620867A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120008848A KR20130087747A (ko) 2012-01-30 2012-01-30 디스플레이장치, 업그레이드장치 및 이를 포함하는 디스플레이시스템 및 그 제어방법

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EP13153115.4A Withdrawn EP2620867A2 (fr) 2012-01-30 2013-01-29 Appareil d'affichage, appareil de mise à niveau, système d'affichage l'incluant et procédé de commande correspondant

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US (1) US20130194282A1 (fr)
EP (1) EP2620867A2 (fr)
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KR101594415B1 (ko) * 2014-08-19 2016-02-16 가온미디어 주식회사 레고형 미디어 플랫폼에서 플러깅 디바이스의 접속 변경에 따른 응용 서비스 기반의 디바이스 조합 연결 관리 방법 및 이를 위한 기록매체
CN108366131B (zh) * 2018-03-13 2020-10-02 广州视源电子科技股份有限公司 数据传输方法、装置、终端以及存储介质
CN108958363A (zh) * 2018-06-05 2018-12-07 联想(北京)有限公司 一种电子设备

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US7734904B2 (en) * 2003-04-25 2010-06-08 Hewlett-Packard Development Company, L.P. Resetting a system in response to changes of component settings
US20080148335A1 (en) * 2006-12-15 2008-06-19 Thomas Patrick Dawson Expansion of television functionality
KR101377864B1 (ko) * 2007-05-15 2014-03-25 엘지전자 주식회사 영상표시장치 및 그 제어방법
US8713209B2 (en) * 2009-01-13 2014-04-29 Qualcomm Incorporated System, apparatus, and method for fast startup of USB devices
US8334927B2 (en) * 2009-02-19 2012-12-18 Sony Corporation Television operative to download new functional applications via an external software module and to execute the same without additional hardware
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US8996747B2 (en) * 2011-09-29 2015-03-31 Cypress Semiconductor Corporation Methods and physical computer-readable storage media for initiating re-enumeration of USB 3.0 compatible devices

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KR20130087747A (ko) 2013-08-07
US20130194282A1 (en) 2013-08-01

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